Gain Therapeutics (GANX) Options Chain
NASDAQ: GANXHealth CareBiotechnology: Pharmaceutical PreparationsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 40
- Share price
- $1.64
- Put/call ratio (OI)
- 0.41
- Put/call ratio (volume)
- 6.96
- Expected move
- ±$0.4984
- Open interest (C / P)
- 3.23K / 1.32K
GANX options summary
The GANX options chain for the November 20, 2026 expiration lists 8 call and 5 put contracts, with 40 days until expiration. Open interest stands at 3,230 calls and 1,316 puts, a put/call ratio of 0.41, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $1.50 strike is 91.8%, which implies the market expects a move of about ±$0.4984 (30.4%) in Gain Therapeutics stock by expiration.
The most open interest sits at the $2.00 call (1.61K contracts) and the $2.00 put (1.02K contracts).
Summary generated from market data by MetaCap's automated system. Methodology
GANX options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 1.18 | 0.80 | 1.50 | 0.50 | 0.00 | 0.00 | 0.24 | |||||
| 0.72 | 0.40 | 1.00 | 1.00 | 0.00 | 1.00 | 0.10 | |||||
| 0.25 | 0.25 | 0.35 | 1.50 | 0.00 | 0.20 | 0.15 | |||||
| 0.06 | 0.05 | 0.10 | 2.00 | 0.10 | 0.75 | 0.40 | |||||
| 0.10 | 0.00 | 0.10 | 3.00 | — | — | — | |||||
| 0.03 | 0.00 | 0.05 | 4.00 | — | — | — | |||||
| 0.05 | 0.00 | 0.40 | 5.00 | 3.10 | 4.10 | 3.47 | |||||
| 0.80 | 0.00 | 0.00 | 6.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the GANX put/call ratio?
For the November 20, 2026 expiration, the GANX put/call ratio based on open interest is 0.41 (1,316 puts vs 3,230 calls), and 6.96 based on today's volume. A ratio above 1 means more puts than calls.
What is GANX's implied volatility?
At-the-money implied volatility for GANX options expiring November 20, 2026 is about 91.8%, an annualized estimate of how much the market expects Gain Therapeutics stock to move.
How many GANX option expiration dates are there?
GANX has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.